102707137 has 4 divisors (see below), whose sum is σ = 110607700. Its totient is φ = 94806576.

The previous prime is 102707117. The next prime is 102707161. The reversal of 102707137 is 731707201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6843456 + 95863681 = 2616^2 + 9791^2 .

It is a cyclic number.

It is not a de Polignac number, because 102707137 - 2²³ = 94318529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102707107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3950262 + ... + 3950287.

It is an arithmetic number, because the mean of its divisors is an integer number (27651925).

Almost surely, 2^102707137 is an apocalyptic number.

It is an amenable number.

102707137 is a deficient number, since it is larger than the sum of its proper divisors (7900563).

102707137 is an equidigital number, since it uses as much as digits as its factorization.

102707137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900562.

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 102707137 is about 10134.4529699437. The cubic root of 102707137 is about 468.3101181346.

The spelling of 102707137 in words is "one hundred two million, seven hundred seven thousand, one hundred thirty-seven".